♠Preflop Ranges
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CO open raise range at 20bb — 9-max tournament (MTT)

9-max · tournaments · 20bb eff
This chart
Open raise all in3%40 combos
Open raise 2bb25.4%337 combos
Limp5.1%67 combos
Fold66.6%882 combos
One of 15,000+ solved charts. The viewer has this seat facing a raise, a jam and a limp too.
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Same seat, other stacks
10bb15bb20bb25bb30bb40bb
Same stack, other seats
EP1EP2MP1MP2HJCOBTNSB
Range in text form
Pure opens (100%): 33, ATs, A5s, KQs+, JTs+
Opened at 50%+ frequency: 33+, A3s+, K4s+, Q5s+, J7s+, T7s+, 97s+, 86s+, 76s+, 65s+, A7o+, A5o, K9o+, QTo+, JTo+, T9o+

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Frequently asked

What percentage of hands should you open from the Cutoff at 20bb?

In a 9-max tournament (MTT) at 20bb effective, GTO strategy plays 33.5% of hands, mostly as an open raise to 2bb.

What is the standard open raise size from the Cutoff at 20bb?

2bb. The size comes from the solution itself, not a convention.

Which hands are always opened from the Cutoff at 20bb?

The pure (100% frequency) part of the range is: 33, ATs, A5s, KQs+, JTs+.